| -rw-r--r-- | shared.c | 37 |
1 files changed, 37 insertions, 0 deletions
@@ -1,128 +1,130 @@ /* shared.c: global vars + some callback functions * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" struct cgit_repolist cgit_repolist; struct cgit_context ctx; int cgit_cmd; int chk_zero(int result, char *msg) { if (result != 0) die("%s: %s", msg, strerror(errno)); return result; } int chk_positive(int result, char *msg) { if (result <= 0) die("%s: %s", msg, strerror(errno)); return result; } int chk_non_negative(int result, char *msg) { if (result < 0) die("%s: %s",msg, strerror(errno)); return result; } struct cgit_repo *cgit_add_repo(const char *url) { struct cgit_repo *ret; if (++cgit_repolist.count > cgit_repolist.length) { if (cgit_repolist.length == 0) cgit_repolist.length = 8; else cgit_repolist.length *= 2; cgit_repolist.repos = xrealloc(cgit_repolist.repos, cgit_repolist.length * sizeof(struct cgit_repo)); } ret = &cgit_repolist.repos[cgit_repolist.count-1]; ret->url = trim_end(url, '/'); ret->name = ret->url; ret->path = NULL; ret->desc = "[no description]"; ret->owner = NULL; ret->group = ctx.cfg.repo_group; ret->defbranch = "master"; ret->snapshots = ctx.cfg.snapshots; ret->enable_log_filecount = ctx.cfg.enable_log_filecount; ret->enable_log_linecount = ctx.cfg.enable_log_linecount; ret->max_stats = ctx.cfg.max_stats; ret->module_link = ctx.cfg.module_link; ret->readme = NULL; ret->mtime = -1; + ret->commit_filter = ctx.cfg.commit_filter; + ret->source_filter = ctx.cfg.source_filter; return ret; } struct cgit_repo *cgit_get_repoinfo(const char *url) { int i; struct cgit_repo *repo; for (i=0; i<cgit_repolist.count; i++) { repo = &cgit_repolist.repos[i]; if (!strcmp(repo->url, url)) return repo; } return NULL; } void *cgit_free_commitinfo(struct commitinfo *info) { free(info->author); free(info->author_email); free(info->committer); free(info->committer_email); free(info->subject); free(info->msg); free(info->msg_encoding); free(info); return NULL; } char *trim_end(const char *str, char c) { int len; char *s, *t; if (str == NULL) return NULL; t = (char *)str; len = strlen(t); while(len > 0 && t[len - 1] == c) len--; if (len == 0) return NULL; c = t[len]; t[len] = '\0'; s = xstrdup(t); t[len] = c; return s; } char *strlpart(char *txt, int maxlen) { char *result; if (!txt) return txt; if (strlen(txt) <= maxlen) return txt; result = xmalloc(maxlen + 1); memcpy(result, txt, maxlen - 3); result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; result[maxlen] = '\0'; @@ -294,64 +296,99 @@ void cgit_diff_tree(const unsigned char *old_sha1, filepair_fn fn, const char *prefix) { struct diff_options opt; int ret; int prefixlen; diff_setup(&opt); opt.output_format = DIFF_FORMAT_CALLBACK; opt.detect_rename = 1; opt.rename_limit = ctx.cfg.renamelimit; DIFF_OPT_SET(&opt, RECURSIVE); opt.format_callback = cgit_diff_tree_cb; opt.format_callback_data = fn; if (prefix) { opt.nr_paths = 1; opt.paths = &prefix; prefixlen = strlen(prefix); opt.pathlens = &prefixlen; } diff_setup_done(&opt); if (old_sha1 && !is_null_sha1(old_sha1)) ret = diff_tree_sha1(old_sha1, new_sha1, "", &opt); else ret = diff_root_tree_sha1(new_sha1, "", &opt); diffcore_std(&opt); diff_flush(&opt); } void cgit_diff_commit(struct commit *commit, filepair_fn fn) { unsigned char *old_sha1 = NULL; if (commit->parents) old_sha1 = commit->parents->item->object.sha1; cgit_diff_tree(old_sha1, commit->object.sha1, fn, NULL); } int cgit_parse_snapshots_mask(const char *str) { const struct cgit_snapshot_format *f; static const char *delim = " \t,:/|;"; int tl, sl, rv = 0; /* favor legacy setting */ if(atoi(str)) return 1; for(;;) { str += strspn(str,delim); tl = strcspn(str,delim); if (!tl) break; for (f = cgit_snapshot_formats; f->suffix; f++) { sl = strlen(f->suffix); if((tl == sl && !strncmp(f->suffix, str, tl)) || (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) { rv |= f->bit; break; } } str += tl; } return rv; } + +int cgit_open_filter(struct cgit_filter *filter) +{ + + filter->old_stdout = chk_positive(dup(STDOUT_FILENO), + "Unable to duplicate STDOUT"); + chk_zero(pipe(filter->pipe_fh), "Unable to create pipe to subprocess"); + filter->pid = chk_non_negative(fork(), "Unable to create subprocess"); + if (filter->pid == 0) { + close(filter->pipe_fh[1]); + chk_non_negative(dup2(filter->pipe_fh[0], STDIN_FILENO), + "Unable to use pipe as STDIN"); + execvp(filter->cmd, filter->argv); + die("Unable to exec subprocess %s: %s (%d)", filter->cmd, + strerror(errno), errno); + } + close(filter->pipe_fh[0]); + chk_non_negative(dup2(filter->pipe_fh[1], STDOUT_FILENO), + "Unable to use pipe as STDOUT"); + close(filter->pipe_fh[1]); + return 0; +} + +int cgit_close_filter(struct cgit_filter *filter) +{ + chk_non_negative(dup2(filter->old_stdout, STDOUT_FILENO), + "Unable to restore STDOUT"); + close(filter->old_stdout); + if (filter->pid < 0) + return 0; + waitpid(filter->pid, &filter->exitstatus, 0); + if (WIFEXITED(filter->exitstatus) && !WEXITSTATUS(filter->exitstatus)) + return 0; + die("Subprocess %s exited abnormally", filter->cmd); +} |